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Water metal analysis results, April 8, 2002

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Laboratory report from Westchester County Dept of Labs and Research detailing Method 200.8 metal concentrations in water samples dated April 8, 2002.

NYC-WTC_000078316–000078395

Folder label: “ICPMS 4/8/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV CAL BK Sample Date/Time: Monday, April 08, 2002 13:42:13 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\ICV CAL BK.301 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas, intens. Mean Meas. Intens. RSD Net intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 12.000 22.048 0.000 0.00850 69.83 ug/L |> Sc-1 45 533259.832 1.102 533259.832 ug/L Cr 52 7651.629 1.652 -0.000 -0.01540 129.71 ug/L I Cr 53 458.349 4.176 -0.000 -0.00229 871.24 ug/L I Mn 55 1038.737 5.644 -0.000 -0.00461 79.95 ug/L 1 Ni 60 37.334 11.152 -0.000 -0.00317 54.36 ug/L 1 Cu 63 278.007 20.892 0.000 0.00571 184.73 ug/L L Cu 65 134.669 4.287 -0.000 -0.00162 118.80 ug/L r Zn2n 66 405.680 2.771 -0.000 -0.00541 202.39 ug/L I 67 101.002 17.404 0.000 0.00583 1078.24 ug/L I Zn 68 329.676 1.926 0.000 0.00033 403.59 ug/L 1> Ge 72 102698.409 2.460 102698.409 ug/L 1 As 75 278.990 8.462 0.000 0.00984 81.71 ug/L I Se 77 125.335 3.598 0.000 0.06392 65.63 ug/L L Se 82 198.004 1.336 0.000 0.00611 156.96 ug/L r Ag 107 855.716 8.724 0.000 0.02451 26.77 ug/L l> in 115 1456472.894 0.952 1456472.894 ug/L 1 Sb 121 257.006 2.724 0.000 0.00767 7.72 ug/L L Sb 123 200.193 5.693 0.000 0.00793 16.67 ug/L r Ba 135 63.334 15.816 0.000 0.00110 295.83 ug/L I Ba 137 113.669 11.209 0.000 0.00204 113.92 ug/L I Ho 165 1964434.094 0.878 -0.007 ug/L |> Tb 159 1972259.561 0.844 1972259.561 ug/L I Tl 205 661.031 4.841 -0.000 -0.00008 1346.89 ug/L L Pb 208 1829.756 2.092 0.000 0.00173 76.31 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 101.297 1 Cr 52 I Cr 53 I Mn 55 I Ni 60 1 Cu 63

Sample ID: ICV CAL BK Report Date/Time: Monday, April 08, 2002 13:44:24 Page 1

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